How to Set Up an Oil Burner for Proper Firing

An oil burner is part of a home heating unit, the fuel for which is oil. Oil burners are connected to electrodes and enable the electrodes to create a spark on either side of a spray oil discharge. That spark fires the heating unit and allows the production of heat. Setting up the oil burner for proper firing requires properly setting the combustion.

Digital combustion analyzer

Instructions

- 1
  Switch the burner on and let it run for about ten minutes.
- 2
  Set the over fire draft to the manufacturer’s requirements. For example, for natural draft, usually the over fire draft setting is -0.01” or -0.02” w.c.
- 3
  Adjust the air shutter or band until you see a small trace of smoke and take the CO2 and O2 measurement with a digital combustion analyzer. Note the readings as a reference point.
- 4
  Increase air flow to reduce CO2 by 1 1/2 to 2 percentage points.
- 5
  Check again for smoke. There should be none. Continue to adjust the CO2 level 2 percentage points at a time, verifying the percentage point reduction by rechecking the CO2 and O2 levels each time, until there is no smoke emission. Once no smoke is emitted from the burner, combustion is properly set.

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